Texas Instruments TM4C1294NCPDT User Manual

Note that if a read or write transfer attempts to begin during a refresh event, the transfer is held off
by the assertion of the iRDY pin by the memory to the EPI module. Figure 11-9 on page 840 and
Figure 11-10 on page 841 depict the delay in data transfer during a refresh collision.
Figure 11-9. Read Delay During Refresh Event
DATA0 DATA1 DATA2
DATA3
ADDRESS
BSELn
EPICLK
EPI0S31
EPI0S[19:0]
ALE
CSn
OEn
EPI0S28
WRn
EPI0S29
iRDY
EPI0S32
EPI0S[15:0]
One wait state
June 18, 2014840
Texas Instruments-Production Data
External Peripheral Interface (EPI)

Texas Instruments TM4C1294NCPDT Specifications

General

Brand	Texas Instruments
Model	TM4C1294NCPDT
Category	Microcontrollers
Language	English